. >>> today is a big day for hillary clinton, her last day as secretary of state. she will have a meeting at the white house and say good-bye to her staff at the state department before departing. john kerry will be sworn in later this afternoon as a private ceremony at the state department. >>> today marks the 10th 10th anniversary the shuttle columbia disaster that killed 7 astronauts. it was gliding back to florida when it broke apart due to wing damage that occurred during launch. a remembrance is planned in florida. >>> at least 25 people are dead from explosion at the pemex headquarters at mexico statim company. more than a hundred were injured in the blast. rescuers worked to free people trapped under the rubble. officials say they don't snow what caused the blast but know it originated in the basement of a 52 story building. >>> the man behind manti te'o's fake girlfriend hoax says he did it because he was in love with the notre dame line backer. ronaiah tuiasosopo telling dr. phil he knew the hoax was cruel but he developed feelings for the notre dame foot